From: Seung-Woo Kim <sw0312.kim@samsung.com>
Date: Tue, 20 Aug 2013 07:48:06 +0000 (-0300)
Subject: [media] videobuf2: Add log for size checking error in __qbuf_userptr
X-Git-Tag: v3.13-rc1~47^2~142
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=2484a7e2bdb4ed50393fa57075d43ca67801fe06;p=linux.git

[media] videobuf2: Add log for size checking error in __qbuf_userptr

__qbuf_userptr checks whether provided buffer is large enough, and
it returns error without any log.

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Heejin Woo <heejin.woo@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
---

diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index 67ddadd5ea38..ba389f58eec7 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -1013,6 +1013,10 @@ static int __qbuf_userptr(struct vb2_buffer *vb, const struct v4l2_buffer *b)
 
 		/* Check if the provided plane buffer is large enough */
 		if (planes[plane].length < q->plane_sizes[plane]) {
+			dprintk(1, "qbuf: provided buffer size %u is less than "
+						"setup size %u for plane %d\n",
+						planes[plane].length,
+						q->plane_sizes[plane], plane);
 			ret = -EINVAL;
 			goto err;
 		}